Post on 04-Feb-2022
2
Yanmar Marine is completely dedicated to boating, all around the world. Generations of expertise and experience,
combined with unrivalled innovation and industry-leading technology, are built into every Yanmar engine. These
are compact, lightweight, quiet, low emission diesels, renowned for their outstanding performance and rugged
reliability. They go further and they work harder for you, year after year.
Yanmar and respect for nature go hand in hand. The engines are designed with the environment in mind, allowing
you to enjoy your boating and still hold on to nature»s glow. They are cleaner, planned from the outset with ecology
on the agenda. Yanmar is proud of what it offers: and as a Yanmar owner you are always in good company.
HOLDING ON TO NATURE»S GLOW
Introduction
3
Contents
Sailboat Engines 9-121 mhp 04
GM / YM Series 06
JH Series 08
Saildrive Series 10
KMG65E - Onboard Electricity 12
Powerboat Engines 150-900 mhp 14
BY2 Series 16
LPA Series 18
LV Series 20
LY3 Series 22
CX Series 24
SY Series 26
ZT370 Sterndrive 28
ZF Pod Drive System 30
Instruments & Controls 32
Original Parts 34
Service Network 36
Marine Engine Overview 38
5
Sailboat Engines
Yanmar diesel engines are the lightest and toughest solutions
available for sailboat inboard power. Smooth and quiet,
innovative and built to last, the reputation of these engines is
second-to-none. Yanmar has been building diesel engines
for 100 years, always with the philosophy of developing
more power for less weight.
Yanmar has always invested heavily in research, develop-
ment and manufacturing processes and will continue to do
so on behalf of its customers and boating in general.
7
The Power To Move You
With the largest displacement and smallest dimensions in their class, these thoroughbred workhorses provide
sure-fire auxiliary power for sailboats and durable primary power for small motorboats. This is the most reliable
diesel support around, best-in-class and ready to use whenever you need it. Compact; lightweight; economical;
easily serviced; durable. Running further for you and with greater efficiency.
• Extra power, higher torque
• Quieter and smoother
• Fuel efficient and easily maintained
YANMAR GM/YM SERIES 6.6-21.3 KW / 9-29.1 MHP
0
4
8
12
16
20
24
1750 2000 2250 2500 2750 3000 3250 3500 3750
30
35
40
45
50
55
60
65
70
75
80
3YM30 Power and Torque Curve
Crankshaft Torque
Maximum output at crankshaft
Out
put
(Fly
whe
el/P
rope
ller s
haft)
Torq
ue (C
rank
shaf
t) N
m
9
Quickly And Quietly
Compact and powerful, clean and quiet, these are mid-range three and four-cylinder diesels based on a
completely redesigned engine block and new combustion system. The new 3JH5E and 4JH5E are fully
compliant with EPA Tier 3 emissions regulations, so you can enjoy more displacement, power and torque, with
low vibration, low noise and low emissions. Maintenance is easy and straightforward. In any case, you have
the comfort of knowing that Yanmar Marine provides high quality service and advice facilities around the globe.
• Highly efficient performance
• Whisper quiet running
• Powerful electrical system
• Simple to maintain
YANMAR JH SERIES 28.7-89.1 KW / 39-121 MHP
11
The Efficient Transfer Of Power
All Yanmar Saildrives feature patented double-seal safety technology with audio warning device. Diesels from
9 mhp to 75 mhp can take advantage of these easy-to-install drives, the SD20 or SD50, depending on engine
size. Saildrives help to eliminate shaft vibrations, unnecessary noise, alignment and space problems, thanks to
their direct power-to-prop configuration. Boat balance, manoeuvrability and thrust are improved.
• Inner and outer seals with Aqua Sensor
• Whisper quiet and low vibration
• Simple and user-friendly
• Straightforward to maintain
YANMAR SAILDRIVE SERIES SD20 / SD50
13
Economical Power Solution
Developed to work with Yanmar»s 3JH5E and 4JH5E Series diesel engines, the KMG65E is a compact and
economical solution to the supply of onboard electricity. The generator is a mere 105 mm deep and weighs
just 21 kg, fitting between the engine and transmission, whether standard gearbox or SD50 Saildrive. Sufficient
electricity is generated, irrespective of engine speed or load - for example, to run kitchen equipment, a computer,
television and music system. The KMG65E can also be used to charge the boat»s batteries.
• Choice of one or two remote power boxes
• Providing 3kW or two times 3kW at 230 volts. 50Hz
• Generator fits between engine and transmission
• Simple to install and maintain
KMG65E GENERATING SYSTEM
CAN-Bus - Open System
Panel
Terminal Box
Power Box
12Vdc
230Vac / 3.0kVA230Vac / 3.0kVA
12Vdc
15
Powerboat Engines
Some owners use their Yanmar diesels to help them win
competitions or break records. Some use them go for
high-speed, long-distance cruising. Others are content to
take a more leisurely approach to their time on the water.
All can enjoy confidence in their Yanmar power. They
have chosen the toughest and most durable power packs
available for pleasure boating.
Yanmar continues to make substantial investments in
product design, development and manufacturing excellence.
One of the objectives is to make the best still better.
17
Turning Power Into Performance
YANMAR BY2 SERIES 110- 191 KW / 150-260 MHP
Hailed as setting new standards for the boating industry, the leading-edge, second generation BY2 Series
engines continue at the same output as their predecessors but incorporate many upgrades, including the re-
programming of the ECU from torque to speed control, providing even smoother operation and better synchro-
nisation on twin-engine applications. Choose from shaftdrive or the hydrodynamic Yanmar ZT370 sterndrive.
These tough but lightweight, common rail electronic BY2 diesels meet the latest EPA and RCD emissions
regulations.
• Smooth, powerful acceleration
• State-of-the-art electronic control
• Total package of engine, control, gear or sterndrive
• CAN-BUS network on NMEA 2000 open protocol
19
Taking Performance Further
The turbocharged, overhead-cam 6LPA-STP2 is incredibly compact and light in weight, considering their
high power output and thorough ruggedness. The waste-gated, water-cooled turbo really makes things hap-
pen when the throttle is pushed down. There are four valves for each of the six cylinders, allowing enhanced
breathing and boosting top-end performance. Enjoy smooth shifting, instant response and abundant torque
throughout your engine»s operating range. Now available with the high technology Yanmar ZT370 sterndrive.
• Turbocharged, intercooled, waste-gated
• Big breathing four-valve head
• Going faster on less fuel
• Choice of shaftdrive or sterndrive
YANMAR 6LPA-STP2 222 KW / 315 MHP
Torque
Cra
nksh
aft T
orqu
e N
m
Crankshaft Speed min -1
Cra
nksh
aft T
orqu
e lb
-ft
21
For New Boats & Repowering
You will be astonished by the acceleration, top speed and fuel economy of Yanmar»s new twin-turbo 8LV320
and 8LV370 diesel engines. You»ll be just as impressed by the amazingly low noise levels and the smooth ride.
Add in all of those renowned Yanmar qualities of performance, reliability, durability and respect for nature and
you have an engine that pushes marine standards to a new high.
For ski boats to fast sports craft to luxury cruisers - new build or repowering - the 8LV is at the forefront of
today»s propulsion technology, providing the kind of high end performance associated with V8 gasolene
engines, but with all of the solid, long-life and cost-effective benefits of diesel. This V8 can be matched perfectly
with Yanmar»s latest twin-propeller sterndrive, the ZT370, or to a KMH50 inboard transmission.
• Twin-turbo V8 diesel with common-rail fuel injection
• Available with new ZT370 sterndrive or KMH50 transmission
• Benefits from Yanmar»s VCS CAN-bus vessel control system
• Wide power band from low 550 rpm to high 3,800 rpm
• Designed for fuel economy and with outstanding cruising range
• Extremely high power, gripping acceleration and big torque
• Exceptionally low noise and minimised vibration
• Advantages of powerful 12V / 180A alternator
YANMAR 8LV 320/370 235-272 kW / 320-370 mhp
Cra
nksh
aft T
orqu
e lb
-ft
Torque 8LV370
Cra
nksh
aft T
orqu
e N
m
Crankshaft Speed min -1
23
More Power With Less Weight
Ultra-smooth LY3 Series engines, lightest in their class, incorporate sophisticated electronic control to
ensure constant power, almost regardless of operating conditions. They are turbocharged, intercooled and
waste-gated six-cylinder power plants, with a wide choice of marine gear. Yanmar has become the benchmark
for power-to-weight superiority and the tough, direct-injection LY3 Series extends the innovative technology to
push performance still further.
• New electronic control system
• Efficient four-valve head
• More power from less weight
• CAN-BUS network on NMEA 2000 open protocol
YANMAR LY3 SERIES 279-353 KW / 380-480 MHP
25
Leaving Them In Your Wake
The high-output CX engines with their extra-smooth power provide the speed and reliability to stay out in
front. This sets new standards for excitement on the water, coupled with on-board comfort and peace of mind.
Outstanding power-to-weight ratio and low-slung configuration contribute to the ability to make a fast boat go
even faster. These Yanmar diesels have the muscle and endurance to dramatically lift performance. The new
530 mhp model is the boating industry»s only 7.4-litre diesel for pleasure use.
• Outperforms larger petrol engines
• Flat torque characteristics
• Compact and narrow profile
• Built for thorough reliability
YANMAR 6CX-530 390 KW / 530 MHP
600
800
1000
1200
1400
1600
1800
1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200
Torque
Cra
nksh
aft T
orqu
e N
m
Crankshaft Speed min -1
27
Unit Injector for fuel efficiency, easy maintenance and performance optimization
Fuel supply channel
Zero Pressure Drain connected to tank
When Performance Matters Most
Discerning boaters expect their new cruisers and motor yachts to be built with vision and pride, wanting
nothing but the best from stem to stern. And therein lies a fundamental key to the success of these high-
performance diesels, from 655 mhp to 900 mhp. This is big power from a lightweight but heavy-duty body,
whether the in-line-six or V8 model, with an electronic management system to optimise performance. There is
leading-edge communications area networking, electronic unit injection for incredible efficiency, and a separate
four-valve head per cylinder.
• Higher power from low weight
• Industry-leading electronics and diagnostics
• Ultimate efficiency from unit injector technology
• Modular design and low maintenance
YANMAR SY SERIES 481-662 KW / 655-900 MHP
29
The Perfect Match
Designed, built and proven by Yanmar, the all-new ZT370 sterndrive is the perfect transmission match for the
Yanmar LV, BY2 and LP Series diesel engines, unsurpassed for new installations and ideal for repowering. This
quiet, hydrodynamic sterndrive has a new type of hydraulic clutch for exceptional smoothness, precision forged
gears for extra-long life, two counter-rotating propellers for superb acceleration and tight-hold tracking, and
large rudder dimensions for superior handling, whether your boat is single or twin installation.
• Hydraulic clutch for shockless engagement
• Mechanical / Electro Magnetic shift
• Precision-forged gears for long life
• Complete with power steering and trim
• Reduction ratios 1.65 / 1.78 / 1.97 / 2.18
• Yanmar propellers
YANMAR ZT370 STERNDRIVE
31
Steering A New Course
The new ZF Pod Drive System powered by Yanmar has been developed to provide you with finger-tip control of
your boat. You can take advantage of significant improvements in top-end performance and handling, cruising
speed and fuel economy - overall efficiency gain can be as much as 25 per cent. Just as importantly, you are
able to manoeuvre and dock with unequalled ease and precision. The Pod Drive is designed for safety. Two
sacrificial pieces are incorporated into the system to break away in the case of impact and avoiding damage
to the hull. The aft-facing propellers are protected by the gearcase and skeg. Most floating objects will be
deflected down and away. So enjoy your boating to the full.
• For Yanmar diesel engines up to 450 mhp
• For planing and non-planing boats
• New design lightweight electric steering
• Better fuel economy, longer range, higher speeds
ZF POD DRIVE SYSTEM POWERED BY YANMAR
32
Radar
GPS
6
2
9
55
1
24
6
9
Volt
1
2
3
4
6
7
8
9
Analogue Tachometer
A range of third-party devices can be connected via the NMEA 2000plug and play platform
5Various Electronic & Mechanical control heads
Various Start switches
LCD with navigation capability
CAN-bus Engine Interface,Vessel Data unit and Actuators available
Digital and Analogue Speedometer withtwo frequency inputs
Fuel, Temperature, Boost gauges
INSTRUMENTS & CONTROLS
YANMAR QUALITY
INSTRUMENTATION BUILT ON
NMEA 2000 OPEN CONTROL
33
Yanmar Branded VCS panels and controls
Fuel Tank
3
9
8
7
9
83
VESSELCONTROLSYSTEMComplete control, total comfort.
• Sideway movement
• Diagonal movement
• 360≥ turn (rotation
within a boat length)
• Extra smooth
engagement
Accessories
Yanmar diesel engines are renowned for their performance and reliability.
There are displays, instruments, gauges, controls and electronic systems to
accompany these engines, all developed to the highest standards, fulfilling
demands for functionality and durability. Precision, accuracy, reliability and
good looks are key elements in the Yanmar range of equipment to help you
enjoy your boating to the full.
• Displays and monitors
• Instruments and gauges
• Engine controls
• Electronic systems
YANMAR BRANDED GAUGES
35
Note that Yanmar Marine offers a range of branded oils, formulated specially for its engines, plus protective
coolants. Fitting non-genuine spare parts can turn a reliable Yanmar engine into a malfunctioning engine.
Serious problems can occur. Use Yanmar genuine parts to extend the working life of your engine.
OIL, COOLANT AND YANMAR GENUINE PARTS
37
Official Yanmar dealers, with fully-trained staff and extensively equipped facilities, are located around the
world. They provide outstanding service in support of the complete range of exceptional Yanmar diesel
engines and associated equipment. And if you register your new engine on-line at www.yanmarmarine.com
there will be further information available to the dealers, helping to ensure that your boating is trouble-free,
or, should a problem arise, you are up and running again as quickly as possible.
The engines and support products are designed with respect for marine ecology and manufactured in
plants that hold important approvals from many respected environmental authorities around the world.
They are backed by full-scale sales and support facilities in more than 130 countries. You are supported
wherever your boating might take you.
Go to www.yanmarmarine.com for warranty information and a dealer network overview.
OUTSTANDING SERVICE FOR EXCEPTIONAL ENGINES
Service & Parts
38
MARINE ENGINE OVERVIEW
Engine Number Fuel injection Output at Rated Displacement Combustion Aspiration Electronic Alternator
model of cylinder crankshaft(1) speed system management standard(7)
kW / mhp rpm L / cu in V / Amp
1GM10 1 INL 6.6 / 9 3600 0.318 / 19.4 IDI N - 12 / 35
2YM15 2-inline INL 10 / 13.6 3600 0.570 / 34.7 IDI N - 12 / 80
3YM20 3-inline INL 15.3 / 21 3600 0.854 / 52.1 IDI N - 12 / 80
3YM30 3-inline INL 21.3 / 29 3600 1.115 / 68 IDI N - 12 / 80
3JH5E 3-inline MP 28.7 / 39 3000 1.640 / 100 DI N - 12 / 80
4JH5E 4-inline MP 39.6 / 54 3000 2.19 / 134 DI N - 12 / 80
4JH4-TE 4-inline VE 55.2 / 75 3200 1.995 / 122 DI T/4V - 12 / 80
4JH4-HTE (1) 4-inline VE 80.9/110 (73.5/100) 3200 1.995 / 122 DI T/A/4V - 12 / 80
4JH3-DTE 4-inline VE 89.1 / 121 3800 1.995 / 122 DI T/A - 12 / 80
4LHA-HTP 4-inline INL 118 / 158 3300 3.455 / 211 DI T/A O 12 / 80
4LHA-STP 4-inline INL 147 / 198 3300 3.455 / 211 DI T/A/W O 12 / 80
4LHA-DTP 4-inline INL 177 / 237 3300 3.455 / 211 DI T/A O 12 / 80
4BY2-150 4-inline CR 110 / 150 4000 1.995 / 122 DI T/A/W/4V O 12 / 150
4BY2-180 4-inline CR 132 / 180 4000 1.995 / 122 DI T/A/W/4V O 12 / 150
6BY2-220 6-inline CR 162 / 220 4000 2.993 / 183 DI T/A/W/4V O 12 / 150
6BY2-260 6-inline CR 191 / 260 4000 2.993 / 183 DI T/A/W/4V O 12 / 150
6LPA-STP2 6-inline 2SI 222 / 315 3800 4.164 / 254 DI T/A/W/4V - 12 / 80
8LV-320 V8-90° CR 235 / 320 3800 4.46 / 272.2 DI T/A/W/4V O 12 / 180
8LV-370 V8-90° CR 272 / 370 3800 4.46 / 272.2 DI T/A/W/4V O 12 / 180
6LY3-UTP 6-inline E2SI 279 / 380 3300 5.813 / 354 DI T/A/W/4V O 12 / 80 (24 / 35 )
6LY3-STP 6-inline E2SI 324 / 440 3300 5.813 / 354 DI T/A/W/4V O 12 / 80 (24 / 35 )
6LY3-ETP 6-inline E2SI 353 / 480 3300 5.813 / 354 DI T/A/W/4V O 12 / 80 (24 / 35 )
6CX-530 6-inline CR 390 / 530 2900 7.413 / 452 DI T/A/W/4V O 12 / 120
6SY-650 6-inline EUI 481 / 655 2300 11.7 / 714 DI T/A/W/4V O 24 / 65 (2-pole)
6SY-720 6-inline EUI 530 / 720 2300 11.7 / 714 DI T/A/W/4V O 24 / 65 (2-pole)
8SY-900 V8-90° CR 662 / 900 2300 15.6 / 952 DI T/A/W/4V O 24 / 140 (2-pole)
Legende
N = Naturally aspirated IDI = Indirect Injection MP = Mono Plunger Pump
T = Turbo charger DI = Direct Injection VE = VE Rotary Pump
W = Wastegate CR = Common Rail Fuel Injection O = Standard
A = Aftercooler EUI = Electronic Unit Injectors = Optional
4V = 4 Valves per cylinder 2SI = 2 Stage Injection
INL = Inline Pump E2SI = Electronic 2 Stage Injection
39
Freshwater Kanzaki Weight with Dry weight Length with Width with Height with Saildrive Sterndrive(3) Environmental
cooling standard gearbox(4) without gearbox gearbox(4) gearbox (4) gearbox(4) status
Kg / lbs Kg / lbs mm / in mm / in mm / in
- KM2P 81 / 179 71 / 157 554 / 22 410 / 16 485 / 19 SD20 - b, c, e
O KM2P 113 / 249 103 / 227 613 / 24 487 / 19 528 / 21 SD20 - b, c, d, e
O KM2P 130 / 287 120 / 266 693 / 27 487 / 19 528 / 21 SD20 - b, c, d, e
O KM2P 133 / 293 123 / 271 715 / 28 487 / 19 545 / 22 SD20 - b, c, d, e
O KM35P 185 / 408 173 / 381 777 / 31 560 / 22 623 / 25 SD50 - b, d, e
O KM35P 213 / 469 201 / 443 871 / 34 560 / 22 618 / 24 SD50 - b, d, e
O KM4A 237 / 522 207 / 456 903 / 36 616 / 24 659 / 26 SD50-T - b, c, d, e
O KM4A 248 / 547 217 / 478 933 / 37 616 / 24 659 / 26 - - a, b, c, (d) e
O KMH4A 260 / 573 229 / 505 886 / 35 581 / 23 660 / 26 - - b, c, e
O KMH50A 404 / 891 360 / 794 1044 / 41 680 / 27 741 / 29 - - b, c, e
O KMH50A 410 / 904 365 / 805 1044 / 41 686 / 27 741 / 29 - - b, c, e
O KMH50A 409 / 902 365 / 804 1044 / 41 686 / 27 741 / 29 - - b, c, e
O KMH40A 292 / 644 258 / 569 881 / 35 746 / 29 740 / 29 - a, b, c, e
O KMH40A 292 / 644 258 / 569 881 / 35 746 / 29 740 / 29 - a, b, c, e
O KMH50A 358 / 789 315 / 694 1064 / 42 746 / 29 740 / 29 - a, b, c, e
O KMH50A 358 / 789 315 / 694 1064 / 42 746 / 29 740 / 29 - a, b, c, e, f
O KMH50A 449 / 990 408 / 899 1190 / 47 666 / 26 739 / 29 - a, b, c, e, f
O KMH50A 476 / 1049 435 / 959 1341 / 53 884 / 35 784 / 1784 - a, b, e, *
O KMH50A 476 / 1049 435 / 959 1341 / 53 884 / 35 784 / 1784 - a, b, e, *
O KMH61A 718 / 1583 640 / 1411 1458 / 57 801 / 32 793 / 31 - - a, b, e, f
O KMH61A 718 / 1583 640 / 1411 1458 / 57 801 / 32 793 / 31 - - a, b, e, f
O KMH61A 718 / 1583 640 / 1411 1458 / 57 801 / 32 793 / 31 - - a, b, e, f
O KMH70 A 914 / 2015 837 / 1845 1504 / 59 (5) 824 / 32 (a) 905 / 36 (a) - - a, b, e
O Bobtail 1280 / 2822 (6) 1150 / 2536 1910 / 75 (6) 870 / 34 (b) 1038 / 41 (b) - - a, b, e
O Bobtail 1280 / 2822 (6) 1150 / 2536 1910 / 75 (6) 870 / 34 (b) 1038 / 41 (b) - - a, b, e
O Bobtail 1906 / 4202 (6) 1650 / 3638 1609 / 63 (5) 1172 / 46 (a) 1069 / 42 (a) - - a, b, e
(1) = Power rating is according to ISO 8665. Fuel temperature 40°C at inlet of the fuel injection pump
(2) = Various gearboxes and configurations available from Yanmar, ZF and Twin-Disc. Contact your local Yanmar supplier for
more information
(3) = Various Sterndrive configurations available upon request. Contact your local Yanmar supplier for more information
(4) = Measured with Kanzaki gearbox
(5) = Measured without gearbox
(6) = Measured with ZF gearbox
(7) = Optional primary and secondary alternators available upon request
Bobtail = Without gearbox
Because of our continuous engine improvement policy, information shown in this publication may change without prior warning or notification.
Please contact your Yanmar Marine supplier or representative for the latest information. Pictures of products shown in this brochure may differ from
production models.
a = EPA Tier 2
b = EU RCD
c = BSO II
d = EPA Tier 3
e = EMC
f = Marpol 73/78
Annex VI
* Engine is capable
of meeting EPA
Tier 3 emission
regulations.
40
Low Emissions
Global Network
EU 2006
DEALERS
US 2006
SERVICE
Yanmar Marine is dedicated to the needs and preferences of people who enjoy boating, and those who support
them, all around the world. With regional headquarters in Europe, the United States, South East Asia and Japan,
plus full-scale sales and service supportfacilities in more than 130 countries, Yanmar Marine provides engines,
drive systems and accessories for all types of boats, from runabouts to sailboats, from cruisers to luxury power
boats. In pleasure boating, the worldwide reputation of Yanmar Marine is second to none.
Yanmar Marine is committed to designing and building engines that meet the most stringent emissions regulations: all supported by a global
network of highly-skilled, extensively equipped service centers. Yanmar Marine does not accept responsibility for error and omissions that may
be contained in this publication. Yanmar Marine also reserves the right to change availability and introduce adaptations without prior warning or
notification. Please contact authorized Yanmar Marine dealers for the latest information.
YM
I/PG
-EN
-09-
2011
WWW.YANMAR.EU
Head office
YANMAR Co. LTD • 531 Tsukaguchi Honmachi • Amagasaki • Japan • T +81 66 428 3258
Regional offices
YANMAR Europe B.V. • Brugplein 11 • 1332 BS Almere • The Netherlands • T +31 (0)36 549 3200 • F +31 (0)36 549 3209 • E info.marine@yanmar.nl
YANMAR America Corporation • 101 International Parkway • Adairsville • Georgia 30103 • USA • T +1 77 0877 9894 • F +1 77 0877 7565 • E service@yanmar.com
YANMAR Asia (S) Corporation • 4 Tuas Lane • Singapore 638613 • Singapore • T +65 6595 4200 • F +65 6862 5195 • E smm@yanmar.com.sg